Controlled Deformation of Soft Nanogel Particles Generates Artificial Biominerals with Ordered Internal Structure

被引：9
作者：
Dong, Yingxiang [1 ]
Chi, Jialin [2 ,6 ]
Ren, Zelun [1 ]
Xiong, Biao [1 ]
Liu, Ziqing [1 ]
Zhang, Wenjun [2 ]
Wang, Lijun [2 ]
Fujii, Syuji [3 ,4 ]
Armes, Steven P. [5 ]
Ning, Yin [1 ]
机构：
[1] Jinan Univ, Coll Chem & Mat Sci, Guangdong Prov Key Lab Funct Supramol Coordinat Ma, Guangzhou 510632, Peoples R China
[2] Huazhong Agr Univ, Coll Resources & Environm, Wuhan 430070, Peoples R China
[3] Osaka Inst Technol, Fac Engn, Dept Appl Chem, 5-16-1 Omiya,Asahi Ku, Osaka 5358585, Japan
[4] Osaka Inst Technol, Nanomat Microdevices Res Ctr, 5-16-1 Omiya,Asahi Ku, Osaka 5358585, Japan
[5] Univ Sheffield, Dept Chem, Brook Hill, Sheffield S3 7HF, South Yorkshire, England
[6] Guangdong Acad Sci, Inst Ecoenvironm & Soil Sci, Natl Reg Joint Engn Res Ctr Soil Pollut Control &, Guangdong Key Lab Integrated Agroenvironm Pollut C, Guangzhou 510650, Peoples R China
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2023年 / 62卷 / 19期
基金：
英国工程与自然科学研究理事会; 中国国家自然科学基金;
关键词：
Biomineralization; Nanogels; Nanoparticle Occlusion; Organic; Inorganic Nanocomposite Crystals; Orientation; DIBLOCK COPOLYMER NANOPARTICLES; EFFICIENT OCCLUSION; CRYSTALS; CRYSTALLIZATION; REVEALS; GROWTH;
D O I：
10.1002/anie.202300031
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Biominerals can exhibit exceptional mechanical properties owing to their hierarchically-ordered organic/inorganic nanocomposite structure. However, synthetic routes to oriented artificial biominerals of comparable complexity remain a formidable technical challenge. Herein we design a series of soft, deformable nanogels that are employed as particulate additives to prepare nanogel@calcite nanocomposite crystals. Remarkably, such nanogels undergo a significant morphological change-from spherical to pseudo-hemispherical-depending on their degree of cross-linking. This deformation occurs normal to the growth direction of the (104) face of the calcite and the underlying occlusion mechanism is revealed by in situ atomic force microscopy studies. This model system provides new mechanistic insights regarding the formation of oriented structures during biomineralization and offers new avenues for the design of synthetic nanocomposites comprising aligned anisotropic nanoparticles.
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页数：8
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